As of May 2015, reviews for Serta mattresses are on US-Mattress.com and Amazon.com. Both sites have rating scales that go to five stars. The average consumer rating for Serta products at US-Mattress.com is 4.3, while most of the ratings at Amazon.com are between four and five.
Positive reviews at US-Mattress.com mention a high level of comfort, excellent support and reasonable price. Some customers state that the mattress is too soft and depressions form quickly. Amazon.com's five-star reviewers appreciate the cushioning and stability, as well as the cooling technology on some models. Other reviewers complain that they notice a lot of motion, and some mattresses tilt toward the middle.